Simple Dropdown Menu with CSS

CSS only dropdown menu

by Uzair Mehmood

HTML

<nav>
  <ul>
    <li><a href="#">Item 1</a></li>
    <li><a href="#">Item 2</a>
      <ul>
        <li><a href="#">Sub Item 1</a></li>
        <li><a href="#">Sub Item 2</a></li>
      </ul>
      </li>
    <li><a href="#">Item 3</a></li>
    <li><a href="#">Item 4</a></li>
  </ul>
</nav>

CSS

nav li {
  display: inline-block;
  list-style-type: none;
  position: relative;
}

nav li ul {
  display: none;
  position: absolute;
  width: 100px;
  left: 0;
  top: 100%;
  margin: 0;
  padding: 0;
}

nav li:hover > ul {
  display: block;
}

nav a {
  padding: 5px 10px;
  color: #fff;
  text-align: center;
  background: #000;
  height: 20px;
  display: block;
}